VolumeTechnologic Papers of the Bureau of Standards, (1925) T 272 PublisherNational Bureau of Standards (U.S.) Pages94 Possible copyright statusNBS/NIST Technological Papers are a publication of the U.S. Government. The papers are in the public domain and are not subject to copyright in the United States. However, please pay special attention to the individual works to make sure there are no copyright restrictions indicated. Individual works may require securing other permissions from the original copyright holder. LanguageEnglish Call numberQC 1 .U52 Digitizing sponsorNIST Research Library Book contributorNIST Research Library CollectionNISTTechNotes; NISTresearchlibrary; fedlink; americana NotesNo copyright page found.